students = {
    "Alice": {
        "Math": 85,
        "English": 90,
        "Science": 78
    },
    "Bob": {
        "Math": 92,
        "English": 88,
        "Science": 95
    },
    "Charlie": {
        "Math": 70,
        "English": 75,
        "Science": 80
    }
}


def score(students):
    aver = {}
    for student, score in students.items():
        pj_scores = sum(score.values()) / len(score)
        aver[student] = round(pj_scores, 2)
    return aver


result = score(students)
print(result)

